American River Parkway warrant sweep under way in Sacramento

Uniformed officers detain a person found during a warrant sweep Wednesday morning.

SACRAMENTO, Calif. (KCRA) -

Just as the sun began peeking over the horizon Wednesday, more than two dozen law enforcement officers began fanning out in the trees and bushes along the American River Parkway east of downtown Sacramento.

The World Anti-Doping Agency (WADA) said Sunday it was "very alarmed" by reports of widespread doping by track and field athletes in major competitions including the Olympic Games and world championships.

The Obama administration will unveil a major climate change plan Monday aimed at a large reduction in greenhouse gas emissions from the nation's coal-burning power plants, a senior administration official told CNN.